João Magalhães Pina
Universidade Nova de Lisboa
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Publication
Featured researches published by João Magalhães Pina.
Abdominal Imaging | 2015
João Lopes Dias; Rita Lucas; João Magalhães Pina; Raquel João; Nuno Vasco Costa; Cecília Leal; Tiago Bilhim; Luís Campos Pinheiro; Rui Mateus Marques
Abstract The use of multiparametric magnetic resonance imaging (mp-MRI) for prostate cancer has increased over recent years, mainly for detection, staging, and active surveillance. However, suspicion of recurrence in the set of biochemical failure is becoming a significant reason for clinicians to request mp-MRI. Radiologists should be able to recognize the normal post-treatment MRI findings. Fibrosis and atrophic remnant seminal vesicles after prostatectomy are often found and must be differentiated from local relapse. Moreover, brachytherapy, external beam radiotherapy, cryosurgery, and hormonal therapy tend to diffusely decrease the signal intensity of the peripheral zone on T2-weighted images (T2WI) due to the loss of water content, consequently mimicking tumor and hemorrhage. The combination of T2WI and functional studies like diffusion-weighted imaging and dynamic contrast-enhanced improves the identification of local relapse. Tumor recurrence tends to restrict on diffusion images and avidly enhances after contrast administration either within or outside the gland. The authors provide a pictorial review of the normal findings and the signs of local tumor relapse after radical prostatectomy, external beam radiotherapy, brachytherapy, cryosurgery, and hormonal therapy.
Acta Médica Portuguesa | 2015
João Lopes Dias; João Magalhães Pina; Raquel João; Joana Fialho; Sandra Carmo; Cecília Leal; Tiago Bilhim; Rui Mateus Marques; Luís Campos Pinheiro
Collection of Acta Urológica Portuguesa | 2017
Francisco Manuel Braz Fernandes; Rita Lucas; Pedro Baltazar; João Magalhães Pina; João Lopes Dias; Luís Campos Pinheiro; Raquel João; Ana Meirinha; Hugo Pinheiro
Acta Urológica Portuguesa | 2017
Pedro Baltazar; Ana Meirinha; Raquel João; João Magalhães Pina; Hugo Pinheiro; José Paulo Patena Forte; Manuela Mafra; Luís Campos Pinheiro
Acta Urológica Portuguesa | 2017
João Lopes Dias; João Magalhães Pina; Nuno Vasco Costa; Sandra Carmo; Cecília Leal; Tiago Bilhim; Rui Mateus Marques; Luís Campos Pinheiro
Acta Urológica Portuguesa | 2016
Pedro Baltazar; Ana Meirinha; Raquel João; João Magalhães Pina; Hugo Pinheiro; Francisco Manuel Braz Fernandes; Gil Falcão; José Paulo Patena Forte; Ana Maria Carvalho; Emanuel Vigia; Luís Campos Pinheiro
Acta Urológica Portuguesa | 2016
João Lopes Dias; João Magalhães Pina; Nuno Vasco Costa; Sandra Carmo; Cecília Leal; Tiago Bilhim; Rui Mateus Marques; Luís Campos Pinheiro
Acta Urológica Portuguesa | 2016
Pedro Baltazar; Ana Meirinha; Raquel João; João Magalhães Pina; Hugo Pinheiro; José Paulo Patena Forte; Manuela Mafra; Luís Campos Pinheiro
Acta Urológica Portuguesa | 2015
João Magalhães Pina; João Lopes Dias; Ana Meirinha; Raquel João; Pedro Baltazar; Hugo Pinheiro; Francisco Manuel Braz Fernandes; Luís Campos Pinheiro
Acta Urológica Portuguesa | 2015
Raquel João; Ana Meirinha; João Magalhães Pina; Hugo Pinheiro; Pedro Baltazar; R. Farinha; J.G. Nunes; Luís Campos Pinheiro